Abstract: A battery pack fire extinguishing system includes: a compressor configured to compress a refrigerant; a condenser connected to the compressor through a first conduit and configured to condense the refrigerant; an evaporator connected to the condenser through a second conduit and connected to the compressor through a third conduit, the evaporator being configured to absorb ambient heat; a battery cell on the evaporator; and a refrigerant injector connected to the second conduit, above the battery cell, and configured to melt when vent gas is discharged from a vent hole in the battery cell to inject the refrigerant into the battery cell.

Abstract: Provided is a charging connector for a vehicle including a main body provided with a charging part, a female terminal part installed inside the charging part so as to be electrically connected to an external changer, and a female housing configured to accommodate the female terminal part. The female terminal part includes a plurality of female terminals configured to electrically connect the external charger to a battery of the vehicle and a protection cap disposed outside one side of each of the female terminals to protect the female terminals. Therefore, damage of the female terminals are minimized to provide more improved electrical stability and reliability.

Abstract: A mapping function extraction system includes a scan unit for generating appearance data of a multi-channel lens by scanning the multi-channel lens, a comparison unit for generating correction data by comparing the appearance data with pre-stored standard appearance data, and an extraction unit for generating a mapping function by applying the correction data to a pre-stored standard mapping function.

Abstract: A head-mounted display device includes a display panel and an optical system positioned on a front surface of the display panel, wherein the display panel sequentially includes a light emitting element unit, a retarder positioned on a front surface of the light emitting element unit, a reflective polarizer, and an absorptive polarizer, wherein the optical system includes a first curved lens configured to include a first retarder positioned on an inner surface and a beam splitter positioned on an outer surface and a second curved lens configured to include a second retarder positioned on an inner surface and a reflective polarizer positioned on an outer surface, wherein the first curved lens is positioned on the display panel, and the second curved lens is positioned on the first curved lens, and wherein the absorptive polarizer of the display panel includes an open portion from which the absorptive polarizer is removed.

Abstract: Disclosed herein are an image encoding/decoding method and apparatus. The image decoding method includes acquiring a partitioning index of a current block from a bitstream, and generating a prediction sample of the current block by weighted-summing a prediction sample of a first subblock of the current block and a prediction sample of a second subblock of the current block based on the partitioning index. The partitioning index indicates a partitioning distance and a partitioning direction included in a predefined table.

Abstract: The present invention is to provide an image analysis method for sensing moving ball, and sensing device using same significantly improving the speed of image processing by performing image analysis by applying an analysis object area set immediately before each acquired image to the current image according to a method that setting an analysis object area, which is a partial area, without analyzing the entire image in analyzing an image for sensing a moving ball in sports with balls, detecting the ball within the set analysis object area, calculating the physical quantity of the ball movement, and setting another analysis object area to include the position where the ball will appear on the image to be analyzed based on the position of the ball detected on the image being analyzed.

Abstract: A lighting device of a steering wheel and an assembling method of the lighting device improving an assembly process and mass productivity of the lighting device by simplifying an assembly structure thereof, includes a grip body forming a rim of the steering wheel and including a body groove portion formed in a shape in which the body groove portion is cut away along the rim, a bezel fitted to the body groove portion and assembled to the grip body so that the body groove portion is covered by the bezel, the bezel including a center portion provided with a light transmission hole, and includes a light emitting body assembled to the bezel to overlap the light transmission hole from between the body groove portion and the bezel, the light emitting body being configured to emit light through the light transmission hole.

Abstract: An embodiment of the present invention provides a frame-structured nanoparticle of porous-structured comprising: a ring-like shaped frame including a nano-sized internal ring frame and a gold nanoparticle external frame, wherein the nano-sized internal ring frame consists of platinum and the gold nanoparticle external frame surrounds the nano-sized internal ring frame; and a porous nanostructure positioned on inner space of the ring-like shaped frame. The frame-structured nanoparticle of porous-structured according to an embodiment of the present invention has the effect of providing a surface-enhanced Raman scattering analysis method on the basis of the high electromagnetic field focusing effect through the porous nanostructure.

Abstract: A method for transmitting voice data is provided. The method may include receiving voice data of a particular speaker from a voice data collection server; determining whether destination terminals are first-type terminals; and based on a determination that the destination terminals are the first-type terminals, transmitting the received voice data to the destination terminals through a channel corresponding to the particular speaker, from among a plurality of predefined channels for the destination terminals.

Abstract: A display device includes pixels disposed on a substrate. Each of the pixels include a pixel circuit layer disposed on the substrate and includes at least one transistor, a first electrode disposed on the pixel circuit layer and electrically connected to the at least one transistor, a bank disposed on the first electrode, the bank including an opening exposing the first electrode, a conductive pattern disposed on a side surface of the bank surrounding the opening of the bank and the exposed first electrode, a light-emitting element disposed on the conductive pattern in the opening of the bank and electrically connected to the first electrode, and a second electrode disposed on the light-emitting element. The conductive pattern is a guide member that guides light emitted from the light-emitting element to an upper portion of the second electrode.

Abstract: A display device includes a substrate, a first electrode, a second electrode, and a third electrode extending in a first direction on the substrate and spaced from each other, a first insulating layer on the first electrode, the second electrode, and the third electrode and including openings exposing an upper surface of the first electrode, a bank layer on the first electrode, the second electrode, the third electrode, and the first insulating layer to partition an emission area, light-emitting elements on the first electrode and the first insulating layer, and a first connection electrode in contact with one ends of the light-emitting elements and a second connection electrode in contact with opposite ends of the light-emitting elements, wherein the light-emitting elements are in contact with the upper surface of the first electrode through the openings of the first insulating layer.

Abstract: A display device includes: a base layer; a pixel circuit layer disposed on the base layer, wherein the pixel circuit layer includes a pixel circuit; a light emitting element layer disposed on the pixel circuit layer, wherein the light emitting element layer includes a light emitting element electrically connected to the pixel circuit; and a reflective structure layer disposed on the light emitting element layer, wherein the reflective structure layer includes: a first intermediate layer disposed on the light emitting element; a first reflective layer disposed on the first intermediate layer; a second intermediate layer disposed on the first reflective layer; and a second reflective layer disposed on the first reflective layer while being spaced apart from the first reflective layer, wherein the first reflective layer includes a first curved surface, and wherein the second reflective layer includes a second curved surface which faces the first curved surface.

Abstract: A bitstream reconstruction method and apparatus are provided. The method includes constructing an initial bitstream by rendering sound source information and geometry information within a reference radius from an initial location of a user accessing a virtual space into spatial audio, collecting location information according to a movement of the user within the virtual space, and reconstructing, based on a relationship between the reference radius and a movement radius identified according to the collected location information, the initial bitstream constructed by corresponding to the initial location of the user.

Abstract: A method for providing a movables management service includes receiving measurement data collected by a financial information acquisition device attached to a movables from the financial information acquisition device, deriving state information associated with at least one of the movables and the financial information acquisition device from the measurement data, and transmitting the state information to a holder terminal owned by a collateral entity setting up a collateral right for the movables. The state information may include at least one of the location information and preset event detection information of the movables.

Abstract: In a method for estimating nanoparticles in a solution, a laser-induced plasma is generated by making a pulsed laser beam incident on inside a cell containing a solution, feedback signals is acquired based on light, shock wave and sound generated by the laser-induced plasma, the feedback signals, an intensity of the laser incident on the cell, and intensities of each laser passing through the cell for each laser pulse are acquired, the feedback signals acquired for each laser pulse, the intensity of the laser, and the intensities of the lasers passing through the cell into a pre-trained nanoparticle estimation model is input to estimate sizes or types of unknown nanoparticles included in the solution.

Abstract: A modifier useful for modifying a polymer providing a functional group having affinity with a filler, particularly, a silica-based filler is provided. A modified conjugated diene-based polymer including a functional group derived from the modifier having excellent affinity with a filler and improved compounding properties, and a method for preparing the same are also provided.

Abstract: A method and apparatus for generating late reverberation are provided. The method includes generating a reverberation parameter required to generate late reverberation based on an early room impulse response, outputting late reverberation based on the reverberation parameter, and outputting a room impulse response based on the early room impulse response and the late reverberation.

Abstract: A semiconductor fabricating apparatus may include a collet structure configured to pick-up a semiconductor chip. The collet structure may include a holder, a plate, an absorption member and an edge contact. The holder may be configured to downwardly receive vacuum. The holder may include a magnet arranged in the holder. The plate may include an upper surface magnetically and mechanically combined with the holder. The plate may include a sidewall wholly exposed by the holder. The plate may receive the vacuum from the holder. The absorption member may make contact with the plate to pick-up the semiconductor chip using the vacuum received from the plate. The edge contact may include a protrusion having a first length protruded from an edge portion of a bottom surface of the holder to make contact with the plate.

Abstract: A method for efficiently preparing gossypetin is disclosed. Gossypetin can be utilized as an ingredient in medicine, healthcare, cosmetics, health foods, dietary supplements, and the like. The method can produce gossypetin of formula (1) with high purity and high yield through a four-step process, in which the compound of formula (2) is employed as starting material.

Abstract: The present disclosure relates to a working fluid stabilization device for an agricultural work vehicle, the working fluid stabilization device including: a case configured such that a working fluid is accommodated therein; a gear part disposed inside the case; a suction part formed in the bottom of the case, and connected to a suction pipe; and a baffle means disposed inside the case, and configured to alleviate the introduction of bubbles in the working fluid, generated by the rotation of the gear part, into the suction part. According to the present invention, there is an effect of preventing or alleviating the introduction of bubbles into the suction part of a transmission device.